PhD defence Understanding and managing bacterial wilt and late blight of potato in Ethiopia: combining an innovation systems approach and a collective action perspective PhD candidate Shiferaw Tafesse ST (Shiferaw Tafesse) Gobena Promotor prof.dr.ir. PC (Paul) Struik Co-promotor dr. R (Rico) Lie External copromotor dr BC van Mierlo: dr Lemaga Organisation Wageningen University, Centre for Crop Systems Analysis Date Tue 25 August 2020 16:00 to 17:30 Twitter Whatsapp Linkedin Email